Charles Petzold

Many MIDI files contain entire musical compositions. Because MIDI supports only 16 channels, however, no more than 16 different instruments can play at any time, and one of those is the key-based percussion instrument.

I record my radio show, and my staff makes me a nice lunch in the kitchen, usually fish - whatever's freshest and line-caught - and a salad. I drink water and herbal tea, a blend of catnip, elderberry, and horehound.

The leg system of the beach animals works because of a combination of certain lengths of tubes. Because of the proportion of lengths, the animals walk smoothly. You could say that this range of numbers is their genetic code.